#include <iostream>
using namespace std;

int main(int argc, char const *argv[])
{
  // 整型
  int a = 0;
  cout << "请给整型变量a复制" << endl;
  cin >> a;

  // 字符串
  string str = "hello";
  cout << "请给字符串str赋值" << endl;
  cin >> str;
  cout << "字符串str=" << str << endl;

  // bool
  bool flag = true;
  cout << "请给布尔值flag赋值" << endl;
  cin >> flag;
  cout << "布尔flag=" << flag << endl;

  return 0;
}
